Attention nerds! David Tennant and Billie Piper are returning to “Dr. Who” for the show’s 50th anniversary special. Tennant played the 10th Doctor from 2005-2010, while Piper played his companion Rose Tyler. The current Doctor (the show’s 11th) is played by Matt Smith, who Tennant will share screen time with in the special. Filming starts this week… [Forbes]

Taking a page out of those girls you went to high school with who can't stop smugly posting every detail of their perfect lives on Facebook, Lady Gaga shaded America's youngest grandma Taylor Swift just perfectly on Twitter yesterday. It all started when Jaime King's unborn child's godmother tweeted about Gaga, using the preferred…